Standard Library Functions - C Programming MCQ Questions and Answers

#include <stddef.h>
int main(void)
{
    int num[15];
    int *p1=&num['a'], *p2=&num['A'];
    ptrdiff_t d = p1-p2;
    printf("%d", d);
}

int main () 
{ 
   printf("starting of program\n"); 
   printf("program exits\n"); 
   exit(0);  
   printf("program ends\n");  
   return(0); 
}

double x, deg, rad;
x = 1.0;
val = 180.0 / 3.14;
deg = atan (x) * val;
printf("The arc tangent of %lf is %lf degrees", x, deg);

#include <assert.h> 
#include <stdio.h>  
void main() 
{ 
   int n=11; 
   char str[50]="program";
   assert(n >= 10); 
   printf(" output: %d\n", n); 
   assert(str != NULL); 
   printf("output: %s\n", str); 
}